188217380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{723913}}^1$

素因数の和:723935

約数の個数: 24

約数和(自身を含む): 425661432

約数和(自身を除く): 237444052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 723913, 1447826, 2895652, 3619565, 7239130, 9410869, 14478260, 18821738, 37643476, 47054345, 94108690, 188217380]

約数ペア:

[(1, 188217380), (2, 94108690), (4, 47054345), (5, 37643476), (10, 18821738), (13, 14478260), (20, 9410869), (26, 7239130), (52, 3619565), (65, 2895652), (130, 1447826), (260, 723913)]